x1,y1,r1 = eval(input("请输入a圆的x,y坐标和半径r"))
x2,y2,r2 = eval(input("请输入b圆的x,y坐标和半径r"))

distance = ( (x1-x2)**2 + (y1-y2)**2 ) ** 0.5

if distance <= abs(r1-r2):
    print("a圆在b圆里面" if r1-r2>0 else "b圆在a圆里面")
elif distance <= r1+r2:
    print("a圆和b圆重叠")
else:
    print("两圆不相交。")

